Alpha Base Coat

Alpha Base Coat

ALPHA BASE COAT is a 100% acrylic adhesive and base coat that is field-mixed with Type I or Type II Portland cement. It has a very creamy texture that spreads easily.



​Smooth, creamy consistency

Trowels on easily, speeds mesh embedment, reduces applicator arm fatigue, increases job-site productivity

Familiar 1:1 mixing ratio

Easy to mix—less chance of errorEasy to mix—less chance of error

100% Acrylic

​Provides long-term durability

​​Water based​

Safe, non-toxic, clean up easily with soap and​ water​


ALPHA BASE COAT is designed for use as the adhesive and/or base coat in several wall systems from Senergy.  

ALPHA BASE COAT is used with the Senerflex Wall System to adhere expanded polystyrene insulation board to the following acceptable substrates:  



  3. Unpainted and unglazed concrete or unit masonry

  4. PermaBase® brand cement board (or other ASTM C1325 Type A Exterior approved cement boards)

  5. Poured concrete/unit masonry

  6. Fiberock® Aqua-Tough™ sheathing

  7. eXP® by National Gypsum, GlasRoc® by Certainteed and DensGlass® exterior sheathing (ASTM C1177)

  8. Gypsum sheathing (ASTM C79/C1396)

  9. New and untreated Exposure 1 or exterior plywood sheathing (Grade C-D or better)

  10. Exposure 1 OSB
    Note: Wood-based sheathing substrates require priming with SENERPRIME.

  • ALPHA BASE COAT is used with Senerflex EIFS, Senturion I, II, and III residential EIFS, Senergy Cement-Board Stucco Systems and all Senergy Textured Acrylic Surfacing Systems to embed CORNER MESH and SENERGY REINFORCING MESH.

  • ALPHA BASE COAT will also adhere expanded polystyrene insulation board (EPS) to expanded polystyrene insulation board enabling the build out of architectural shapes and details.


27.2 kg per 19-liter pail
(60 lbs per 5-gallon pail)


Approximate coverage rates are as follows:

  • Adhere EPS insulation board to substrate: 14.8 m² (160 ft²) per pail via notched trowel method. 16.7 m² (180 ft²) per pail via ribbon & dab method.

  • Embed FLEXGUARD 4: 26 m² (280 ft²) per pail. Embed INTERMEDIATE 12: 18.5 m² (200 ft²) per pail. Embed HI-IMPACT 20 & FLEXGUARD 4: 14.8 m² (160 ft²) per pail.